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Tom Abbott, Biddulph High School and made available through
www.sln.org.uk/geography and only for non commercial use in schools
GeographyGeography
Original Land surface
Wave-cut platform
stump
stack
Natural Arch
Old cliffline
Tom Abbott, Biddulph High School and made available through
www.sln.org.uk/geography and only for non commercial use in schools
Geography
Joints and beds allowwaves to attack the cliff
more easily
Waves can use rocks to erode the cliff
Wave cut platform
Wave cut notch
Cliff line
HIGH TIDE LEVEL
Tom Abbott, Biddulph High School and made available through
www.sln.org.uk/geography and only for non commercial use in schools
Geography
GroynesSediment accumulation due to Longshore Drift
Waves approach beach at oblique angle
Tom Abbott, Biddulph High School and made available through
www.sln.org.uk/geography and only for non commercial use in schools
Geography
Wave-cut platform Wave built terrace
large angular rocks rocks and pebblessoft sand
Ouch!
Tom Abbott, Biddulph High School and made available through
www.sln.org.uk/geography and only for non commercial use in schools
Geography
The force of the waves pushes air into cracks in the rock
The compressed air exerts enormous pressure at the tip of the crack. As the water falls back the air pressure is released and rock is pulled out from the crack further enlarging the hole.
Tom Abbott, Biddulph High School and made available through
www.sln.org.uk/geography and only for non commercial use in schools
Geography
Constructive Waves
Spilling Breaker
Powerful SwashWeak Backwash
Tom Abbott, Biddulph High School and made available through
www.sln.org.uk/geography and only for non commercial use in schools
GeographyConstructive Waves
Crashing breaker
Weak swash
Powerful Backwash